package com.hao.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.*;
import com.hao.servicebase.exceptionhandler.GuliException;
import com.hao.vod.Utils.ConstantVodUtils;
import com.hao.vod.Utils.InitVodClient;
import com.hao.vod.service.VodService;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.InputStream;

/**
 * 视频点播服务impl
 *
 * @author HaoJiaLi
 * @date 2020/12/12
 */
@Service
public class VodServiceImpl implements VodService {

    @Override
    public String uploadAliVideo(MultipartFile file) {

        try {
            //accessKeyId, accessKeySecret
            //fileName：上传文件原始名称
            // 01.03.09.mp4
            String fileName = file.getOriginalFilename();
            //title：上传之后显示名称。只截取名称，不要后缀名
            String title = fileName.substring(0, fileName.lastIndexOf("."));
            //inputStream：上传文件输入流
            InputStream inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);

            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);

            String videoId = null;
            if (response.isSuccess()) {
                videoId = response.getVideoId();
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                videoId = response.getVideoId();
            }
            return videoId;
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }

    }

    @Override
    public void removeAliVideo(String videoId) {
        try {
            DefaultAcsClient client = InitVodClient.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            DeleteVideoRequest request = new DeleteVideoRequest();
            request.setVideoIds(videoId);
            client.getAcsResponse(request);
        } catch (Exception e) {
            e.printStackTrace();
            throw new GuliException(20001, "删除视频失败");
        }
    }

    @Override
    public String getPlayAuth(String id) {
        try {
            DefaultAcsClient client = InitVodClient
                    .initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            //创建获取视频播放凭证request和response
            GetVideoPlayAuthRequest request = new GetVideoPlayAuthRequest();
            //向request对象里设置视频id
            request.setVideoId(id);
            //调用初始化对象传递request，获取数据
            GetVideoPlayAuthResponse response = client.getAcsResponse(request);
            //播放凭证
            return response.getPlayAuth();
        } catch (Exception e) {
            e.printStackTrace();
            throw new GuliException(20001,"获取视频凭证失败");
        }
    }
}
